Home / 71,259.13-98,395.73-45,778.15

Finding the Fourth Proportional to 71,259.13, 98,395.73 and 45,778.15

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Solution

The fourth proportional to 71,259.13, 98,395.73 and 45,778.15 is: 63,211.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,259.13 : 98,395.73 = 45,778.15 : x
  2. Step 2: Convert to fraction form
    71,259.13/98,395.73 = 45,778.15/x
  3. Step 3: Cross multiply
    71,259.13x = 98,395.73 × 45,778.15
  4. Step 4: Simplify right side
    71,259.13x = 4,504,374,487.30
  5. Step 5: Solve for x
    x = 4,504,374,487.30/71,259.13
  6. Step 6: Final answer
    x = 63,211.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.